# Three Circles Forming a Triangle _Posted on Apr 7, 2020_ +-- {.image} [[ThreeCirclesFormingaTriangle.png:pic]] > The circles have diameters $1$, $2$ and $3$. What’s the angle? =-- * Thread [on twitter](https://twitter.com/Cshearer41/status/1247469594165551105) * [[three circles forming a triangle techniques]] * [[three circles forming a triangle solution]]